fix: fix reading vue version field from custom presets

Author: haoqunjiang

packages/@vue/cli/lib/Creator.js

@@ -297,6 +297,10 @@ module.exports = class Creator extends EventEmitter {
     let preset
     if (answers.preset && answers.preset !== '__manual__') {
       preset = await this.resolvePreset(answers.preset)
+
+      if (answers.preset === 'default') {
+        preset.vueVersion = answers.vueVersion
+      }
     } else {
       // manual
       preset = {
@@ -308,8 +312,6 @@ module.exports = class Creator extends EventEmitter {
       this.promptCompleteCbs.forEach(cb => cb(answers, preset))
     }
 
-    preset.vueVersion = answers.vueVersion
-
     // validate
     validatePreset(preset)